<template>
  <div class="cart">
    <router-link class="curr" href="#" to="/cart"> 
        <i class="iconfont icon-cart"></i><em>{{$store.getters['cart/validTotal']}}</em> 
    </router-link>
    <div class="layer" v-if="$store.getters['cart/validTotal']>0&&$route.path!=='/cart'">
      <div class="list">
        <div class="item" v-for="goods in $store.getters['cart/validList']" :key="goods.skuId">
          <RouterLink :to="`/product/${goods.id}`">
            <img :src="goods.picture" alt="">
            <div class="center">
              <p class="name ellipsis-2">{{goods.name}}</p>
              <p class="attr ellipsis">{{goods.attrsText}}</p>
            </div>
            <div class="right">
              <p class="price">&yen;{{goods.nowPrice}}</p>
              <p class="count">x{{goods.count}}</p>
            </div>
          </RouterLink>
          <i class="iconfont icon-close" @click="deleteCart(goods.skuId)"></i>
        </div>
      </div>
      <div class="foot">
        <div class="total">
          <p>共{{$store.getters['cart/validTotal']}}件商品</p>
          <p>&yen;{{$store.getters['cart/validAmount']}}</p>
        </div>
        <XtxButton @click="$router.push('/cart')" type="plain">去购物车结算</XtxButton>
      </div>
    </div>
  </div>
</template>
<script>
  import {
    useStore
  } from 'vuex'
  import Message from './library/Message';
  export default {
    name: 'AppHeaderCart',
    setup() {
      const store = useStore();
      store.dispatch('cart/findCart').then((results) => {
        Message({
          type: 'success',
          text: '更新购物车成功'
        });
      })
      // 删除购物车中的商品
      const deleteCart = (skuId) => {
        store.dispatch('cart/deleteCart', skuId);
      }
      return {
        deleteCart
      }
    }
  }

</script>
<style scoped lang="less">
  .cart {
    width: 50px;
    position: relative;
    z-index: 600;

    .curr {
      height: 32px;
      line-height: 32px;
      text-align: center;
      position: relative;
      display: block;

      .icon-cart {
        font-size: 22px;
      }

      em {
        font-style: normal;
        position: absolute;
        right: 0;
        top: 0;
        padding: 1px 6px;
        line-height: 1;
        background: @helpColor;
        color: #fff;
        font-size: 12px;
        border-radius: 10px;
        font-family: Arial;
      }
    }

    &:hover {
      .layer {
        opacity: 1;
        transform: none
      }
    }

    .layer {
      opacity: 0;
      transition: all .4s .2s;
      transform: translateY(-200px) scale(1, 0);
      width: 400px;
      height: 400px;
      position: absolute;
      top: 50px;
      right: 0;
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
      background: #fff;
      border-radius: 4px;
      padding-top: 10px;

      &::before {
        content: "";
        position: absolute;
        right: 14px;
        top: -10px;
        width: 20px;
        height: 20px;
        background: #fff;
        transform: scale(0.6, 1) rotate(45deg);
        box-shadow: -3px -3px 5px rgba(0, 0, 0, 0.1);
      }

      .foot {
        position: absolute;
        left: 0;
        bottom: 0;
        height: 70px;
        width: 100%;
        padding: 10px;
        display: flex;
        justify-content: space-between;
        background: #f8f8f8;
        align-items: center;

        .total {
          padding-left: 10px;
          color: #999;

          p {
            &:last-child {
              font-size: 18px;
              color: @priceColor;
            }
          }
        }
      }
    }

    .list {
      height: 310px;
      overflow: auto;
      padding: 0 10px;

      &::-webkit-scrollbar {
        width: 10px;
        height: 10px;
      }

      &::-webkit-scrollbar-track {
        background: #f8f8f8;
        border-radius: 2px;
      }

      &::-webkit-scrollbar-thumb {
        background: #eee;
        border-radius: 10px;
      }

      &::-webkit-scrollbar-thumb:hover {
        background: #ccc;
      }

      .item {
        border-bottom: 1px solid #f5f5f5;
        padding: 10px 0;
        position: relative;

        i {
          position: absolute;
          bottom: 38px;
          right: 0;
          opacity: 0;
          color: #666;
          transition: all .5s;
        }

        &:hover {
          i {
            opacity: 1;
            cursor: pointer;
          }
        }

        a {
          display: flex;
          align-items: center;

          img {
            height: 80px;
            width: 80px;
          }

          .center {
            padding: 0 10px;
            width: 200px;

            .name {
              font-size: 16px;
            }

            .attr {
              color: #999;
              padding-top: 5px;
            }
          }

          .right {
            width: 100px;
            padding-right: 20px;
            text-align: center;

            .price {
              font-size: 16px;
              color: @priceColor;
            }

            .count {
              color: #999;
              margin-top: 5px;
              font-size: 16px;
            }
          }
        }
      }
    }
  }

</style>
